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A sample of 65 observations is selected from one population with a population standard deviation of 0.75. The sample mean is 2.67. A sample of 50 observations is selected from a second population with a population standard deviation of 0.66. The sample mean is 2.59. Conduct the following test of hypothesis using the .08 significance level.
Attachment:- 233201_1_stats7.docx
Find the expected frequency for the number of days in which there was exactly one application. Determine the expected frequency for the other days in a similar manner.
Respond to the questions? In other words, what is the probability that the sample proportion p will be at least 75/300 = 0.25?
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